[Bug 98695] [byt bisected] WARN_ON(!power_domains->domain_use_count[domain])
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Nov 14 09:55:23 UTC 2016
https://bugs.freedesktop.org/show_bug.cgi?id=98695
yann <yann.argotti at intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
i915 features| |display/DP
i915 platform| |BYT
Status|NEW |NEEDINFO
--- Comment #4 from yann <yann.argotti at intel.com> ---
(In reply to Chris Wilson from comment #3)
> commit a781ce79d51fc4952870c998937980a042927e84
> Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Date: Fri Nov 27 18:55:25 2015 +0200
>
> drm/i915: Clean up AUX power domain handling
>
> Introduce intel_display_port_aux_power_domain() which simply returns
> the appropriate AUX power domain for a specific port, and then replace
> the intel_display_port_power_domain() with calls to the new function
> in the DP code. As long as we're not actually enabling the port we don't
> need the lane power domains, and those are handled now purely from
> modeset_update_crtc_power_domains().
>
> My initial motivation for this was to see if I could keep the DPIO power
> wells powered down while doing AUX on CHV, but turns out I can't so this
> doesn't change anything for CHV at least. But I think it's still a
> worthwile change.
Matwey, please re-test with latest drm-intel-nightly
(https://cgit.freedesktop.org/drm-intel/) and confirm that is now fixed also on
your side.
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